mirror of
https://github.com/Z3Prover/z3
synced 2025-08-24 20:16:00 +00:00
51 lines
1.1 KiB
C++
51 lines
1.1 KiB
C++
/*++
|
|
Copyright (c) 2013 Microsoft Corporation
|
|
|
|
Module Name:
|
|
|
|
dl_mk_scale.h
|
|
|
|
Abstract:
|
|
|
|
Add scale factor to linear (Real) arithmetic Horn clauses.
|
|
The transformation replaces occurrences of isolated constants by
|
|
a scale multiplied to each constant.
|
|
|
|
Author:
|
|
|
|
Nikolaj Bjorner (nbjorner) 2013-08-19
|
|
|
|
Revision History:
|
|
|
|
--*/
|
|
#pragma once
|
|
|
|
#include "muz/base/dl_rule_transformer.h"
|
|
#include "ast/arith_decl_plugin.h"
|
|
|
|
namespace datalog {
|
|
|
|
class mk_scale : public rule_transformer::plugin {
|
|
|
|
class scale_model_converter;
|
|
|
|
ast_manager& m;
|
|
context& m_ctx;
|
|
arith_util a;
|
|
expr_ref_vector m_trail;
|
|
app_ref_vector m_eqs;
|
|
obj_map<expr, expr*> m_cache;
|
|
scale_model_converter* m_mc;
|
|
|
|
expr* linearize(unsigned num_vars, expr* e);
|
|
app_ref mk_pred(unsigned num_vars, app* q);
|
|
app_ref mk_constraint(unsigned num_vars, app* q);
|
|
public:
|
|
mk_scale(context & ctx, unsigned priority = 33039);
|
|
~mk_scale() override;
|
|
rule_set * operator()(rule_set const & source) override;
|
|
};
|
|
|
|
};
|
|
|
|
|